fix: material dark mode text

lib/widgets/text_field.dart

@@ -0,0 +1,32 @@
+import 'package:flutter/cupertino.dart';
+import 'package:flutter/material.dart';
+import 'package:git_touch/models/theme.dart';
+import 'package:provider/provider.dart';
+
+class MyTextField extends StatelessWidget {
+  final TextEditingController controller;
+  final String placeholder;
+  MyTextField({@required this.controller, this.placeholder});
+
+  @override
+  Widget build(BuildContext context) {
+    final theme = Provider.of<ThemeModel>(context);
+    switch (theme.theme) {
+      case AppThemeType.cupertino:
+      default:
+        return CupertinoTextField(
+          controller: controller,
+          placeholder: placeholder,
+          style: TextStyle(color: theme.palette.text),
+        );
+      // default:
+      //   return TextField(
+      //     controller: controller,
+      //     decoration: InputDecoration(
+      //       filled: true,
+      //       labelText: placeholder,
+      //     ),
+      //   );
+    }
+  }
+}